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Human Variation and Race 1.      Select only ONE of the following environmental stresses: (a) heat, (b) high levels of solar radiation, (c) cold, or (d) high altitude. Discuss specifically how this environmental stress negatively impacts the survival of humans by disturbing homeostasis. Although solar radiation is a great source of Vitamin D, too much solar radiation can cause harmful damages to our skin. First, you can get sun burn which is red, painful skin that feels hot when you touch the affected area, normally it happens when you are exposed to too much solar radiation for a short period of time. A more harmful and much more serious that can arise from solar radiation is skin cancer. According to skincancer.org, “ Skin cancer  is the uncontrolled growth of abnormal  skin cells. It occurs when unrepaired DNA damage to  skin  cells (most often caused by ultraviolet radiation from sunshine or tanning beds)...
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Piltdown Man Hoax In 1912 an amateur archaeologist by the name of Charles Dawson claimed to have found the missing link between ape and man. Dawson found the remaining’s in a gravel pit Piltdown village in Sussex, England. This suggested that not only did England have ancient ancestors, but that they were the oldest of ancestries found at the time. As time would soon play out, it was discovered the Piltdown man was a hoax. The Piltdown hoax wasn’t discovered in a matter of hours, it took a series of events to disprove the existence of the Piltdown man or at least disprove the evidence found by Dawson and, the first thing that was found that caused suspicion were remains of early humans found in the 1920’s and 1930’s all around the world. These remains didn’t show the large brain and jaw like structure. The remains also suggested that the jaws and teeth were human like long before the brain evolved into the huge brains we have now. The next event happened in 1939...
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